12445439378265

Names of 12445439378265

• Cardinal: 12445439378265 can be written as Twelve trillion, four hundred forty-five billion, four hundred thirty-nine million, three hundred seventy-eight thousand, two hundred sixty-five.

Scientific notation

• Scientific notation: 1.2445439378265 × 10¹³

Factors of 12445439378265

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15580433

Divisors of 12445439378265

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 9 15 27 45 61 97 135 183 291 305 485 549 873 915 1455 1647 2619 2745 4365 5917 8235 13095 17751 29585 53253 88755 159759 266265 798795 15580267 46740801 77901335 140222403 233704005 420667209 701112015 950396287 1511285899 2103336045 2851188861 4533857697 4751981435 7556429495 8553566583 13601573091 14255944305 22669288485 25660699749 40804719273 42767832915 68007865455 92188439839 128303498745 204023596365 276565319517 460942199195 829695958551 1382826597585 2489087875653 4148479792755 12445439378265
• Sum of all divisors σ(n): 22719770008320
• Sum of proper divisors (its aliquot sum) s(n): 10274330630055
• 12445439378265 is a deficient number, because the sum of its proper divisors (10274330630055) is less than itself. Its deficiency is 2171108748210

Bases of 12445439378265

• Binary: 10110101000110101101111111100100001101011001₂
• Hexadecimal: 0xB51ADFE4359
• Base-36: 4ETCT9V89

Squares and roots of 12445439378265

• 12445439378265 squared (12445439378265²) is 154888961318069109754410225
• 12445439378265 cubed (12445439378265³) is 1927661178446461656212229237465758759625
• The square root of 12445439378265 is 3527809.4305482261
• The cube root of 12445439378265 is 23174.1285238217

Scales and comparisons

• 12,445,439,378,265 seconds is equal to 395,726 years, 24 weeks, 5 days, 5 hours, 57 minutes, 45 seconds.
• To count from 1 to 12,445,439,378,265 would take you about nine hundred eighty-nine thousand, three hundred sixteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 12445439378265 cubic inches would be around 1931.2 feet tall.

Recreational maths with 12445439378265

• 12445439378265 backwards is 56287393454421
• The number of decimal digits it has is: 14
• The sum of 12445439378265's digits is 63
• More coming soon!